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Signal Transduction Signaling Pathway Nuclear Signaling STATs
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RecombinantRabMAb

Recombinant Anti-STAT1 antibody [EPRR21057-168] - BSA and Azide free (ab234902)

  • Datasheet
  • Certificate of Compliance
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Flow Cytometry - Anti-STAT1 antibody [EPRR21057-168] - BSA and Azide free (ab234902)
  • Immunoprecipitation - Anti-STAT1 antibody [EPRR21057-168] - BSA and Azide free (ab234902)
  • Flow Cytometry - Anti-STAT1 antibody [EPRR21057-168] - BSA and Azide free (ab234902)
  • Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - Anti-STAT1 antibody [EPRR21057-168] - BSA and Azide free (ab234902)
  • Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - Anti-STAT1 antibody [EPRR21057-168] - BSA and Azide free (ab234902)
  • Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - Anti-STAT1 antibody [EPRR21057-168] - BSA and Azide free (ab234902)
  • Anti-STAT1 antibody [EPRR21057-168] - BSA and Azide free (ab234902)

Key features and details

  • Produced recombinantly (animal-free) for high batch-to-batch consistency and long term security of supply
  • Rabbit monoclonal [EPRR21057-168] to STAT1 - BSA and Azide free
  • Suitable for: WB, IHC-P, Flow Cyt, IP
  • Reacts with: Human

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Recombinant Human STAT1 protein (ab82610)

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Overview

  • Product name

    Anti-STAT1 antibody [EPRR21057-168] - BSA and Azide free
    See all STAT1 primary antibodies
  • Description

    Rabbit monoclonal [EPRR21057-168] to STAT1 - BSA and Azide free
  • Host species

    Rabbit
  • Tested applications

    Suitable for: WB, IHC-P, Flow Cyt, IPmore details
  • Species reactivity

    Reacts with: Human
  • Immunogen

    Recombinant fragment within Human STAT1 aa 350 to the C-terminus. The exact sequence is proprietary.
    Database link: P42224

  • Positive control

    • IHC-P: Human tonsil tissue.
  • General notes

    Ab234902 is the carrier-free version of ab210524. This format is designed for use in antibody labeling, including fluorochromes, metal isotopes, oligonucleotides, enzymes.

     

    Our carrier-free formats are supplied in a buffer free of BSA, sodium azide and glycerol for higher conjugation efficiency.

    Use our conjugation kits  for antibody conjugates that are ready-to-use in as little as 20 minutes with <1 minute hands-on-time and 100% antibody recovery: available for fluorescent dyes, HRP, biotin and gold.

    ab234902 is compatible with the Maxpar® Antibody Labeling Kit from Fluidigm.

    Maxpar® is a trademark of Fluidigm Canada Inc.

    This product is a recombinant monoclonal antibody, which offers several advantages including:

    • - High batch-to-batch consistency and reproducibility
    • - Improved sensitivity and specificity
    • - Long-term security of supply
    • - Animal-free production
    For more information see here.

    Our RabMAb® technology is a patented hybridoma-based technology for making rabbit monoclonal antibodies. For details on our patents, please refer to RabMAb® patents.

    Reproducibility is key to advancing scientific discovery and accelerating scientists’ next breakthrough.

    Abcam is leading the way with our range of recombinant antibodies, knockout-validated antibodies and knockout cell lines, all of which support improved reproducibility.

    We are also planning to innovate the way in which we present recommended applications and species on our product datasheets, so that only applications & species that have been tested in our own labs, our suppliers or by selected trusted collaborators are covered by our Abpromise™ guarantee.

    In preparation for this, we have started to update the applications & species that this product is Abpromise guaranteed for.

    We are also updating the applications & species that this product has been “predicted to work with,” however this information is not covered by our Abpromise guarantee.

    Applications & species from publications and Abreviews that have not been tested in our own labs or in those of our suppliers are not covered by the Abpromise guarantee.

    Please check that this product meets your needs before purchasing. If you have any questions, special requirements or concerns, please send us an inquiry and/or contact our Support team ahead of purchase. Recommended alternatives for this product can be found below, as well as customer reviews and Q&As.

Properties

  • Form

    Liquid
  • Storage instructions

    Shipped at 4°C. Store at +4°C. Do Not Freeze.
  • Storage buffer

    pH: 7.2
    Constituent: PBS
  • Carrier free

    Yes
  • Concentration information loading...
  • Purity

    Protein A purified
  • Clonality

    Monoclonal
  • Clone number

    EPRR21057-168
  • Isotype

    IgG
  • Research areas

    • Signal Transduction
    • Signaling Pathway
    • Nuclear Signaling
    • STATs
    • Epigenetics and Nuclear Signaling
    • Transcription
    • Other factors
    • Epigenetics and Nuclear Signaling
    • Nuclear Signaling Pathways
    • STATs
    • Cancer
    • Signal transduction
    • Nuclear signaling
    • STAT family

Associated products

  • Alternative Versions

    • Anti-STAT1 antibody [EPRR21057-168] (ab210524)
  • Compatible Secondaries

    • VeriBlot for IP Detection Reagent (HRP) (ab131366)
    • Goat Anti-Rabbit IgG H&L (Alexa Fluor® 488) (ab150077)
    • Goat Anti-Rabbit IgG H&L (HRP) (ab97051)
  • Conjugation kits

    • PE / R-Phycoerythrin Conjugation Kit - Lightning-Link® (ab102918)
    • APC Conjugation Kit - Lightning-Link® (ab201807)
  • Isotype control

    • Rabbit IgG, monoclonal [EPR25A] - Isotype Control (ab172730)
  • Recombinant Protein

    • Recombinant Human STAT1 protein (ab82610)
  • Related Products

    • Antigen Retrieval Buffer (100X Tris-EDTA Buffer, pH 9.0) (ab93684)

Applications

Our Abpromise guarantee covers the use of ab234902 in the following tested applications.

The application notes include recommended starting dilutions; optimal dilutions/concentrations should be determined by the end user.

Application Abreviews Notes
WB Use at an assay dependent concentration. Predicted molecular weight: 87 kDa.
IHC-P Use at an assay dependent concentration. Perform heat mediated antigen retrieval with Tris/EDTA buffer pH 9.0 before commencing with IHC staining protocol.
Flow Cyt Use at an assay dependent concentration.
IP Use at an assay dependent concentration.

Target

  • Function

    Signal transducer and activator of transcription that mediates signaling by interferons (IFNs). Following type I IFN (IFN-alpha and IFN-beta) binding to cell surface receptors, Jak kinases (TYK2 and JAK1) are activated, leading to tyrosine phosphorylation of STAT1 and STAT2. The phosphorylated STATs dimerize, associate with ISGF3G/IRF-9 to form a complex termed ISGF3 transcription factor, that enters the nucleus. ISGF3 binds to the IFN stimulated response element (ISRE) to activate the transcription of interferon stimulated genes, which drive the cell in an antiviral state. In response to type II IFN (IFN-gamma), STAT1 is tyrosine- and serine-phosphorylated. It then forms a homodimer termed IFN-gamma-activated factor (GAF), migrates into the nucleus and binds to the IFN gamma activated sequence (GAS) to drive the expression of the target genes, inducing a cellular antiviral state.
  • Involvement in disease

    Note=STAT1 deficiency results in impaired immune response leading to severe mycobacterial and viral diseases. In the case of complete deficiency, patients can die of viral disease.
    Defects in STAT1 are a cause of mendelian susceptibility to mycobacterial disease (MSMD) [MIM:209950]; also known as familial disseminated atypical mycobacterial infection. This rare condition confers predisposition to illness caused by moderately virulent mycobacterial species, such as Bacillus Calmette-Guerin (BCG) vaccine and environmental non-tuberculous mycobacteria, and by the more virulent Mycobacterium tuberculosis. Other microorganisms rarely cause severe clinical disease in individuals with susceptibility to mycobacterial infections, with the exception of Salmonella which infects less than 50% of these individuals. The pathogenic mechanism underlying MSMD is the impairment of interferon-gamma mediated immunity whose severity determines the clinical outcome. Some patients die of overwhelming mycobacterial disease with lepromatous-like lesions in early childhood, whereas others develop, later in life, disseminated but curable infections with tuberculoid granulomas. MSMD is a genetically heterogeneous disease with autosomal recessive, autosomal dominant or X-linked inheritance.
  • Sequence similarities

    Belongs to the transcription factor STAT family.
    Contains 1 SH2 domain.
  • Post-translational
    modifications

    Phosphorylated on tyrosine and serine residues in response to IFN-alpha, IFN-gamma, PDGF and EGF. Phosphorylation on Tyr-701 (lacking in beta form) by JAK promotes dimerization and subsequent translocation to the nucleus. Phosphorylation on Ser-727 by several kinases including MAPK14, ERK1/2 and CAMKII on IFN-gamma stimulation, regulates STAT1 transcriptional activity. Phosphorylation on Ser-727 promotes sumoylation though increasing interaction with PIAS. Phosphorylation on Ser-727 by PKCdelta induces apoptosis in response to DNA-damaging agents.
    Sumoylated by SUMO1, SUMO2 and SUMO3. Sumoylation is enhanced by IFN-gamma-induced phosphorylation on Ser-727, and by interaction with PIAS proteins. Enhances the transactivation activity.
    ISGylated.
  • Cellular localization

    Cytoplasm. Nucleus. Translocated into the nucleus in response to IFN-gamma-induced tyrosine phosphorylation and dimerization.
  • Target information above from: UniProt accession P42224 The UniProt Consortium
    The Universal Protein Resource (UniProt) in 2010
    Nucleic Acids Res. 38:D142-D148 (2010) .

    Information by UniProt
  • Database links

    • Entrez Gene: 6772 Human
    • Omim: 600555 Human
    • SwissProt: P42224 Human
    • Unigene: 642990 Human
    • Unigene: 743244 Human
    • Alternative names

      • Signal transducer and activator of transcription 1 91kD antibody
      • CANDF7 antibody
      • DKFZp686B04100 antibody
      • IMD31A antibody
      • IMD31B antibody
      • IMD31C antibody
      • ISGF 3 antibody
      • ISGF-3 antibody
      • OTTHUMP00000163552 antibody
      • OTTHUMP00000165046 antibody
      • OTTHUMP00000165047 antibody
      • OTTHUMP00000205845 antibody
      • Signal transducer and activator of transcription 1 91kDa antibody
      • Signal transducer and activator of transcription 1 antibody
      • Signal transducer and activator of transcription 1, 91kD antibody
      • Signal transducer and activator of transcription 1-alpha/beta antibody
      • STAT 1 antibody
      • Stat1 antibody
      • STAT1_HUMAN antibody
      • STAT91 antibody
      • Transcription factor ISGF 3 components p91 p84 antibody
      • Transcription factor ISGF-3 components p91/p84 antibody
      • Transcription factor ISGF3 components p91/p84 antibody
      • XStat1 antibody
      see all

    Images

    • Flow Cytometry - Anti-STAT1 antibody [EPRR21057-168] - BSA and Azide free (ab234902)
      Flow Cytometry - Anti-STAT1 antibody [EPRR21057-168] - BSA and Azide free (ab234902)

      Flow cytometric analysis of 4% paraformaldehyde-fixed, 90% methanol permeabilized MCF7 (Human breast adenocarcinoma cell line) cell line labeling STAT1 with ab210524 at 1/500 (red) compared with a Rabbit monoclonal IgG (ab172730) (black) and an unlabeled control (cells incubated with secondary antibody only) (blue). Goat anti rabbit IgG (Alexa Fluor® 488, ab150077), at 1/2000 dilution was used as the secondary antibody.

      This data was developed using the same antibody clone in a different buffer formulation containing PBS, BSA, glycerol, and sodium azide (ab210524).

    • Immunoprecipitation - Anti-STAT1 antibody [EPRR21057-168] - BSA and Azide free (ab234902)
      Immunoprecipitation - Anti-STAT1 antibody [EPRR21057-168] - BSA and Azide free (ab234902)

      STAT1 was immunoprecipitated from 0.35 mg MCF7 (Human breast adenocarcinoma cell line) whole cell lysate with ab210524 at 1/30 dilution. Western blot was performed from the immunoprecipitate using ab210524 at 1/1000 dilution. VeriBlot for IP Detection Reagent (HRP) (ab131366), was used for detection at 1/5000 dilution.
      Lane 1: MCF7 whole cell lysate 10 µg (Input).
      Lane 2: ab210524 IP in MCF7 whole cell lysate (+).
      Lane 3: Rabbit monoclonal IgG (ab172730) instead of ab210524 in MCF7 whole cell lysate (-).

      Blocking/Dilution buffer: 5% NFDM/TBST.
      Exposure time: 15 seconds.

      The doublet observed in some lanes likely represent the α and β isoforms of STAT1 (PMID: 8647800).

      This data was developed using the same antibody clone in a different buffer formulation containing PBS, BSA, glycerol, and sodium azide (ab210524).

    • Flow Cytometry - Anti-STAT1 antibody [EPRR21057-168] - BSA and Azide free (ab234902)
      Flow Cytometry - Anti-STAT1 antibody [EPRR21057-168] - BSA and Azide free (ab234902)

      Flow cytometric analysis of 4% paraformaldehyde-fixed, 90% methanol permeabilized HeLa (Human epithelial cell line from cervix adenocarcinoma) cell line labeling STAT1 with ab210524 at 1/500 (red) compared with a Rabbit monoclonal IgG (ab172730) (black) and an unlabeled control (cells incubated with secondary antibody only) (blue). Goat anti rabbit IgG (Alexa Fluor® 488, ab150077), at 1/2000 dilution was used as the secondary antibody.

      This data was developed using the same antibody clone in a different buffer formulation containing PBS, BSA, glycerol, and sodium azide (ab210524).

    • Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - Anti-STAT1 antibody [EPRR21057-168] - BSA and Azide free (ab234902)
      Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - Anti-STAT1 antibody [EPRR21057-168] - BSA and Azide free (ab234902)

      Immunohistochemical analysis of paraffin-embedded paired human endometrial cancer and non-tumor endometrium tissue labeling STAT1 with ab210524 at 1/5000 dilution, followed by a ready to use Goat Anti-Rabbit IgG H&L (HRP). Much higher staining intensity of endometrial cancer (Panel A) than its paired non-tumor endometrium (Panel B) (PMID: 25267067) is observed. Counter stained with hematoxylin.
      Secondary antibody only control: Used PBS instead of primary antibody, secondary antibody is a ready to use Goat Anti-Rabbit IgG H&L (HRP). Heat mediated antigen retrieval was performed using ab93684 (Tris/EDTA buffer, pH 9.0).

      This data was developed using the same antibody clone in a different buffer formulation containing PBS, BSA, glycerol, and sodium azide (ab210524).

    • Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - Anti-STAT1 antibody [EPRR21057-168] - BSA and Azide free (ab234902)
      Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - Anti-STAT1 antibody [EPRR21057-168] - BSA and Azide free (ab234902)

      Immunohistochemical analysis of paraffin-embedded human kidney tissue labeling STAT1 with ab210524 at 1/5000 dilution, followed by a ready to use Goat Anti-Rabbit IgG H&L (HRP). Positive staining on glomerulus and some renal tubules of human kidney (PMID: 26678048) is observed. Counter stained with hematoxylin.
      Secondary antibody only control: Used PBS instead of primary antibody, secondary antibody is a ready to use Goat Anti-Rabbit IgG H&L (HRP). Heat mediated antigen retrieval was performed using ab93684 (Tris/EDTA buffer, pH 9.0).

      This data was developed using the same antibody clone in a different buffer formulation containing PBS, BSA, glycerol, and sodium azide (ab210524).

    • Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - Anti-STAT1 antibody [EPRR21057-168] - BSA and Azide free (ab234902)
      Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - Anti-STAT1 antibody [EPRR21057-168] - BSA and Azide free (ab234902)

      Immunohistochemical analysis of paraffin-embedded human tonsil tissue labeling STAT1 with ab210524 at 1/5000 dilution, followed by a ready to use Goat Anti-Rabbit IgG H&L (HRP). Positive staining mainly on interfollicular cells of human tonsil (PMID: 25336386; PMID: 25921060) is observed. Counter stained with hematoxylin.
      Secondary antibody only control: Used PBS instead of primary antibody, secondary antibody is a ready to use Goat Anti-Rabbit IgG H&L (HRP).

      This data was developed using the same antibody clone in a different buffer formulation containing PBS, BSA, glycerol, and sodium azide (ab210524).

      Heat mediated antigen retrieval was performed with Tris/EDTA buffer pH 9.0 before commencing with IHC staining protocol.

    • Anti-STAT1 antibody [EPRR21057-168] - BSA and Azide free (ab234902)
      Anti-STAT1 antibody [EPRR21057-168] - BSA and Azide free (ab234902)

    Protocols

    To our knowledge, customised protocols are not required for this product. Please try the standard protocols listed below and let us know how you get on.

    Click here to view the general protocols

    Datasheets and documents

    • Datasheet

    Certificate of Compliance

    To download a Certificate of Compliance, please enter your Lot number below:

  • References (0)

    Publishing research using ab234902? Please let us know so that we can cite the reference in this datasheet.

    ab234902 has not yet been referenced specifically in any publications.

    Customer reviews and Q&As

    Show All Reviews Q&A
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    Mass Cytometry abreview for Anti-STAT1 antibody [EPRR21057-168] - BSA and Azide free

    Good
    Abreviews
    Abreviews
    abreview image
    Application
    Mass Cytometry
    Sample
    Human Cell (Liver)
    Specification
    Liver
    Read More

    Abcam user community

    Verified customer

    Submitted Aug 21 2020

    Please note: All products are "FOR RESEARCH USE ONLY. NOT FOR USE IN DIAGNOSTIC PROCEDURES"
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